oj.uz

Submission #977200

# Submission time Handle Problem Language Result Execution time Memory
977200 2024-05-07T13:44:30 Z suhu88 Star triangles (IZhO11_triangle) C++14
0 / 100
 2000 ms 6740 KB 
#include<bits/stdc++.h>
#define suhu ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define fi first
#define se second
#define pb push_back
using namespace std;
typedef long long ll;
const ll MAXN=3e5+5;
const ll inf=1e18;
ll n,a[MAXN],b[MAXN];
int main(){
	suhu
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i]>>b[i];
	}
	
	ll ans=0;
	for(int i=1;i<=n;i++){
		ll x=0,y=0;
		for(int j=1;j<=n;j++){
			if(j==i)continue;
			if(a[i]==a[j])x++;
			if(b[i]==b[j])y++;
		}
		ans+=x*y;
	}
	cout<<ans<<"\n";
	return 0;
}

Subtask #1
0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 3 ms 2504 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 2 ms 2392 KB Output is correct
12 Correct 167 ms 2712 KB Output is correct
13 Correct 92 ms 2652 KB Output is correct
14 Correct 95 ms 2788 KB Output is correct
15 Execution timed out 2059 ms 6740 KB Time limit exceeded
16 Halted 0 ms 0 KB -